US Army
1,348,748 members•7,146 units
Opening branch overview
Building the branch home surface
Loading branch highlights, featured unit context, and gallery moments.
Overview
Members
Units
Over 3,064,780 active members
1,348,748 members•7,146 units
Building the branch home surface
Loading branch highlights, featured unit context, and gallery moments.
Building the branch members surface
Loading branch members, era browse tools, and directory controls.
537th Engr Co (Surv Base)
U.S. Army
The 537th Engineer Company (Survey Base), often designated as 537th Engr Co (Surv Base), was a specialized unit within the U.S. Army Engineer Regiment. Activated during the Cold War era, its primary mission was to provide topographic survey and mapping support to larger engineer and combat units, enabling accurate construction, navigation, and operational planning. The company was noted for its deployment to various regions, including Southeast Asia during the Vietnam War, where it played a crucial role in terrain analysis and infrastructure development. Throughout its service, the 537th distinguished itself through technical expertise, adaptability, and support to both combat and humanitarian missions.
548th General Dispensary
U.S. Army
The 548th General Dispensary was a U.S. Army medical unit established to provide medical care and support to military personnel. Activated during the post-World War II era, the unit was stationed in Japan, notably in Tokyo, to serve American forces during the occupation and reconstruction period. The dispensary played a vital role in delivering outpatient medical services, preventive medicine, and support for dependents and civilian employees. The 548th General Dispensary contributed significantly to maintaining troop health and readiness before being inactivated as U.S. military presence in Japan was reduced.
548th Medical Detachment
U.S. Army
The 548th Medical Detachment is a United States Army medical unit with a distinguished history of service. Activated during the Vietnam War, the unit provided critical aeromedical evacuation and medical support to combat and support operations, ensuring rapid treatment and transport of wounded personnel. The 548th played a vital role in saving countless lives by operating in challenging conditions and often under hostile fire. In subsequent years, the detachment has continued its legacy of medical excellence, supporting various missions and deployments in line with Army medical operations.
54th Chemical Troop 11th ACR Fulda Germany
U.S. Army
The 54th Chemical Troop was a specialized unit assigned to the 11th Armored Cavalry Regiment (ACR), stationed in Fulda, Germany, during the Cold War. Its primary mission was to provide chemical, biological, radiological, and nuclear (CBRN) defense and support to the regiment, ensuring readiness against potential Warsaw Pact threats. The troop conducted regular training in decontamination, reconnaissance, and protective measures, supporting the 11th ACR’s border security and surveillance operations along the strategically vital Fulda Gap. The 54th Chemical Troop played a crucial role in maintaining the regiment's operational effectiveness and deterrence capability until the end of the Cold War and subsequent drawdown of U.S. forces in Germany.
54th signal battalion : na Trang
U.S. Army
The 54th Signal Battalion was a United States Army communications unit that served in Vietnam during the Vietnam War, with its headquarters located at Nha Trang. Activated to provide critical signal support, the battalion was responsible for maintaining and operating communication lines that facilitated command and control for U.S. and allied operations throughout II Corps Tactical Zone. At Nha Trang, the 54th Signal Battalion managed various communication systems, including teletype, radio, and telephone networks, ensuring uninterrupted information flow during combat and logistical missions. Their efforts were vital in supporting tactical operations and coordinating multiple units across the region, contributing significantly to the overall effectiveness of U.S. military operations in Vietnam.
550th FA
U.S. Army
The 550th Field Artillery Battalion (550th FA) was activated during World War II as part of the United States Army. Initially organized in 1942, the unit provided crucial artillery support for Allied ground operations in the European Theater. The 550th FA participated in several major campaigns, including the Normandy invasion and the advance across France and into Germany. After the war, the battalion was deactivated as part of the Army’s postwar drawdown, but its legacy of service and combat effectiveness remains recognized in military history.
555th Mediical Co. (Amb)
U.S. Army
The 555th Medical Company (Ambulance), commonly known as the "Triple Nickel," was a key medical evacuation unit in the United States Army. Activated during World War II, the unit provided critical ambulance and battlefield medical support in both European and later conflicts. Over the decades, the 555th Medical Co. (Amb) played essential roles in various operations, including the Vietnam War and peacekeeping missions, ensuring rapid treatment and evacuation of wounded soldiers. The unit earned a reputation for professionalism, adaptability, and lifesaving expertise before its eventual inactivation.
55th FA
U.S. Army
The 55th Field Artillery (FA) traces its origins to World War I, when it was constituted in the National Army in 1917 as the 55th Field Artillery. The unit saw combat in France as part of the American Expeditionary Forces, providing crucial artillery support during major offensives. Reactivated for World War II, the 55th FA participated in campaigns across Europe, earning honors for its distinguished service. Over the decades, the unit has continued to serve with distinction in various conflicts, adapting to modern artillery technology and tactics while upholding its proud legacy.
55TH PSC
U.S. Army
The 55th Personnel Services Company (55th PSC) was a U.S. Army unit responsible for providing critical human resources and personnel support to soldiers and commands. Activated during the late 20th century, the 55th PSC played a key role in processing personnel actions, maintaining service records, and ensuring administrative readiness for deployed and garrison units. The company supported various operations, including deployments in support of Operation Iraqi Freedom and Operation Enduring Freedom. Its contributions helped maintain troop morale and effectiveness by ensuring timely and accurate personnel services in challenging environments.
U.S. Army Veteran (2026 - 2026)
U.S. Army Veteran (2026 - 2026)
U.S. Army Other (2026 - 2026)
U.S. Army Spouse (2026 - Present)